Finding the Fourth Proportional to 19,878,984, 27,433,231.56 and 12,038,356.08
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Solution
The fourth proportional to 19,878,984, 27,433,231.56 and 12,038,356.08 is: 16,613,072.88
Step by Step Solution
- Step 1: Write the proportion equation
19,878,984 : 27,433,231.56 = 12,038,356.08 : x - Step 2: Convert to fraction form
19,878,984/27,433,231.56 = 12,038,356.08/x - Step 3: Cross multiply
19,878,984x = 27,433,231.56 × 12,038,356.08 - Step 4: Simplify right side
19,878,984x = 330,251,009,944,373.88 - Step 5: Solve for x
x = 330,251,009,944,373.88/19,878,984 - Step 6: Final answer
x = 16,613,072.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.